CN1194400C - 沟槽隔离结构、具有该结构的半导体器件以及沟槽隔离方法 - Google Patents
沟槽隔离结构、具有该结构的半导体器件以及沟槽隔离方法 Download PDFInfo
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- CN1194400C CN1194400C CNB001347179A CN00134717A CN1194400C CN 1194400 C CN1194400 C CN 1194400C CN B001347179 A CNB001347179 A CN B001347179A CN 00134717 A CN00134717 A CN 00134717A CN 1194400 C CN1194400 C CN 1194400C
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims description 50
- 230000003647 oxidation Effects 0.000 claims abstract description 98
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 98
- 239000000758 substrate Substances 0.000 claims abstract description 88
- 238000002955 isolation Methods 0.000 claims abstract description 59
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 30
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 30
- 150000004767 nitrides Chemical class 0.000 claims description 34
- 230000008569 process Effects 0.000 claims description 33
- 239000011248 coating agent Substances 0.000 claims description 30
- 238000000576 coating method Methods 0.000 claims description 30
- 238000005530 etching Methods 0.000 claims description 22
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- 238000001259 photo etching Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 230000015572 biosynthetic process Effects 0.000 description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
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- 230000001590 oxidative effect Effects 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
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- 239000012535 impurity Substances 0.000 description 2
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- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
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- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 1
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- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
- H01L21/76232—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials of trenches having a shape other than rectangular or V-shape, e.g. rounded corners, oblique or rounded trench walls
- H01L21/76235—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials of trenches having a shape other than rectangular or V-shape, e.g. rounded corners, oblique or rounded trench walls trench shape altered by a local oxidation of silicon process step, e.g. trench corner rounding by LOCOS
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Element Separation (AREA)
- Formation Of Insulating Films (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (24)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR43989/1999 | 1999-10-12 | ||
KR1019990043989A KR100338767B1 (ko) | 1999-10-12 | 1999-10-12 | 트렌치 소자분리 구조와 이를 갖는 반도체 소자 및 트렌치 소자분리 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1293452A CN1293452A (zh) | 2001-05-02 |
CN1194400C true CN1194400C (zh) | 2005-03-23 |
Family
ID=19614928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB001347179A Expired - Lifetime CN1194400C (zh) | 1999-10-12 | 2000-10-12 | 沟槽隔离结构、具有该结构的半导体器件以及沟槽隔离方法 |
Country Status (6)
Country | Link |
---|---|
US (2) | US6331469B1 (zh) |
JP (1) | JP4072308B2 (zh) |
KR (1) | KR100338767B1 (zh) |
CN (1) | CN1194400C (zh) |
DE (1) | DE10050357B4 (zh) |
GB (1) | GB2360631B (zh) |
Families Citing this family (71)
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JP3651344B2 (ja) * | 2000-02-03 | 2005-05-25 | セイコーエプソン株式会社 | 半導体装置の製造方法 |
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JP2002043408A (ja) * | 2000-07-28 | 2002-02-08 | Nec Kansai Ltd | 半導体装置の製造方法 |
KR100386946B1 (ko) * | 2000-08-01 | 2003-06-09 | 삼성전자주식회사 | 트렌치 소자 분리형 반도체 장치의 형성방법 |
US6537895B1 (en) * | 2000-11-14 | 2003-03-25 | Atmel Corporation | Method of forming shallow trench isolation in a silicon wafer |
US6921947B2 (en) * | 2000-12-15 | 2005-07-26 | Renesas Technology Corp. | Semiconductor device having recessed isolation insulation film |
US6958518B2 (en) * | 2001-06-15 | 2005-10-25 | Agere Systems Inc. | Semiconductor device having at least one source/drain region formed on an isolation region and a method of manufacture therefor |
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GB0117949D0 (en) * | 2001-07-24 | 2001-09-19 | Koninkl Philips Electronics Nv | Trench-gate semiconductor devices and their manufacture |
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-
1999
- 1999-10-12 KR KR1019990043989A patent/KR100338767B1/ko active IP Right Grant
-
2000
- 2000-10-10 US US09/684,822 patent/US6331469B1/en not_active Expired - Lifetime
- 2000-10-11 DE DE10050357.8A patent/DE10050357B4/de not_active Expired - Lifetime
- 2000-10-11 GB GB0024940A patent/GB2360631B/en not_active Expired - Fee Related
- 2000-10-12 CN CNB001347179A patent/CN1194400C/zh not_active Expired - Lifetime
- 2000-10-12 JP JP2000312495A patent/JP4072308B2/ja not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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US20010041421A1 (en) | 2001-11-15 |
JP4072308B2 (ja) | 2008-04-09 |
KR20010036816A (ko) | 2001-05-07 |
CN1293452A (zh) | 2001-05-02 |
GB2360631B (en) | 2003-09-03 |
DE10050357B4 (de) | 2015-07-02 |
GB0024940D0 (en) | 2000-11-29 |
GB2360631A (en) | 2001-09-26 |
US6331469B1 (en) | 2001-12-18 |
US6465866B2 (en) | 2002-10-15 |
JP2001160589A (ja) | 2001-06-12 |
KR100338767B1 (ko) | 2002-05-30 |
DE10050357A1 (de) | 2001-06-28 |
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